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99 строки
2.5 KiB
Plaintext
99 строки
2.5 KiB
Plaintext
#include <iostream>
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#include <cassert>
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#include <cstdint>
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#include <locale>
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using namespace std;
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char nibble_to_hex(uint8_t i) {
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assert(0x0 <= i && i <= 0xf);
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static const char digits[] = "0123456789abcdef";
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return digits[i];
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}
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char bit_digit(uint8_t byte, uint8_t bit) {
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return (byte & (0x1 << bit)) ? '1' : '0';
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}
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const uint8_t* as_bytes(const void* data) {
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return reinterpret_cast<const uint8_t*>(data);
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}
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void print_in_hex(uint8_t byte) {
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cout << nibble_to_hex(byte >> 4);
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cout << nibble_to_hex(byte & 0xf);
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}
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void print_in_hex(const void* data, size_t size) {
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const uint8_t* bytes = as_bytes(data);
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for (size_t i = 0; i < size; i++) {
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print_in_hex(bytes[i]);
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if ((i + 1) % 16 == 0) {
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cout << '\n';
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}
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else {
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cout << ' ';
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}
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}
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}
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void print_in_binary(uint8_t byte) {
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for (int bit = 7; bit >= 0; bit--) {
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cout << bit_digit(byte, bit);
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}
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}
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void print_in_binary(const void* data, size_t size) {
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const uint8_t* bytes = as_bytes(data);
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for (size_t i = 0; i < size; i++) {
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print_in_binary(bytes[i]);
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if ((i + 1) % 4 == 0) {
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cout << '\n';
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}
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else {
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cout << ' ';
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}
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}
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}
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void run_tests() {
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assert(nibble_to_hex(0x0) == '0');
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assert(nibble_to_hex(0x1) == '1');
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assert(nibble_to_hex(0x2) == '2');
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assert(nibble_to_hex(0x3) == '3');
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assert(nibble_to_hex(0x4) == '4');
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assert(nibble_to_hex(0x5) == '5');
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assert(nibble_to_hex(0x6) == '6');
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assert(nibble_to_hex(0x7) == '7');
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assert(nibble_to_hex(0x8) == '8');
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assert(nibble_to_hex(0x9) == '9');
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assert(nibble_to_hex(0xa) == 'a');
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assert(nibble_to_hex(0xb) == 'b');
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assert(nibble_to_hex(0xc) == 'c');
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assert(nibble_to_hex(0xd) == 'd');
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assert(nibble_to_hex(0xe) == 'e');
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assert(nibble_to_hex(0xf) == 'f');
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cout << "Все тесты пройдены.\n";
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}
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int main() {
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setlocale(LC_ALL, "Russian");
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uint32_t i;
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cout << "Введите целое число:\n";
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cin >> i;
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if (cin.fail()) {
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cerr << "Ошибка: некорректный ввод. Пожалуйста, введите целое число.\n";
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return 1;
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}
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uint32_t test = i;
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cout << "Шестнадцатеричный вывод:\n";
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print_in_hex(&test, sizeof(test));
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cout << "\nДвоичный вывод:\n";
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print_in_binary(&test, sizeof(test));
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cout << '\n';
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return 0;
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} |